From d92a069558f4ad224666289330a6ee8304b2a3a4 Mon Sep 17 00:00:00 2001
From: Erik van Sebille <erikvansebille@gmail.com>
Date: Fri, 21 Feb 2025 12:25:08 +0100
Subject: [PATCH] Adding support for waypoints without instruments

Useful for e.g. sailing with ADCP turned on
---
 src/virtualship/expedition/do_expedition.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/virtualship/expedition/do_expedition.py b/src/virtualship/expedition/do_expedition.py
index d2085605..a6e9403d 100644
--- a/src/virtualship/expedition/do_expedition.py
+++ b/src/virtualship/expedition/do_expedition.py
@@ -34,7 +34,9 @@ def do_expedition(expedition_dir: str | Path, input_data: Path | None = None) ->
 
     # remove instrument configurations that are not in schedule
     instruments_in_schedule = [
-        waypoint.instrument.name for waypoint in schedule.waypoints
+        waypoint.instrument.name
+        for waypoint in schedule.waypoints
+        if waypoint.instrument
     ]
 
     for instrument in [